33561200260 has 96 divisors (see below), whose sum is σ = 86099231232. Its totient is φ = 10737914880.

The previous prime is 33561200249. The next prime is 33561200287. The reversal of 33561200260 is 6200216533.

It is a super-2 number, since 2×33561200260² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4914 + ... + 259126.

It is an arithmetic number, because the mean of its divisors is an integer number (896866992).

Almost surely, 2^33561200260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33561200260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43049615616).

33561200260 is an abundant number, since it is smaller than the sum of its proper divisors (52538030972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33561200260 is a wasteful number, since it uses less digits than its factorization.

33561200260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254293 (or 254291 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

Adding to 33561200260 its reverse (6200216533), we get a palindrome (39761416793).

The spelling of 33561200260 in words is "thirty-three billion, five hundred sixty-one million, two hundred thousand, two hundred sixty".